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Min-Hui Zou, Kun Ma, Kai-Jie Wu, Edwin Hsing-Mean Sha. Scan-Based Attack on Stream Ciphers:A Case Study on eSTREAM Finalists[J]. Journal of Computer Science and Technology, 2014, 29(4): 646-655. DOI: 10.1007/s11390-014-1456-3
Citation: Min-Hui Zou, Kun Ma, Kai-Jie Wu, Edwin Hsing-Mean Sha. Scan-Based Attack on Stream Ciphers:A Case Study on eSTREAM Finalists[J]. Journal of Computer Science and Technology, 2014, 29(4): 646-655. DOI: 10.1007/s11390-014-1456-3

Scan-Based Attack on Stream Ciphers:A Case Study on eSTREAM Finalists

  • While Scan-based DFT improves test efficiency, it also leaves a side channel to the privacy information stored in the chip. This paper investigates the side channel and proposes a simple yet powerful scan-based attack that can reveal the key and/or state stored in the chips that implement the state-of-the-art stream ciphers with less than 85 scan-out vectors.
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